He worked there until his retirement in 1929 at the age of 72.

He worked at the committee from 1966 until his retirement in 1997.

He continued working for them until his retirement in 1975.

He continued to work with the Board until his retirement in 1966.

He continued to work at the hospital until his retirement in 1981.

He continued to work in this field until his retirement.

He was working from about 1731 until his apparent retirement in 1761.

He worked there for 22 years until his retirement in 1983.

She continued to work as the center's director until her retirement in 1993.

After the war he worked as a teacher for a while and then an editor until his retirement in 1977.